/*
 * Copyright (C) 2021 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package android.hardware.biometrics.common;

/**
 * The reason for invoking an operation.
 * @hide
 */
@VintfStability
@Backing(type="byte")
enum OperationReason {
    /**
     * A normal operation without an explicit reason.
     */
    UNKNOWN,

    /**
     * An operation associated with biometric prompt. This may be due to either application or
     * system use, but it is not related to KEYGUARD device entry.
     */
    BIOMETRIC_PROMPT,

    /**
     * An operation associated with device entry.
     */
    KEYGUARD,
}
